diff --git a/src/cmd/go/alldocs.go b/src/cmd/go/alldocs.go
index 0f3747d51d..a58ffe8613 100644
--- a/src/cmd/go/alldocs.go
+++ b/src/cmd/go/alldocs.go
@@ -1,4 +1,4 @@
-// Copyright 2011 The Go Authors.  All rights reserved.
+// Copyright 2011 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
diff --git a/src/cmd/go/main.go b/src/cmd/go/main.go
index 4e0987d69e..177c2af190 100644
--- a/src/cmd/go/main.go
+++ b/src/cmd/go/main.go
@@ -214,7 +214,7 @@ var helpTemplate = `{{if .Runnable}}usage: go {{.UsageLine}}
 {{end}}{{.Long | trim}}
 `
 
-var documentationTemplate = `// Copyright 2011 The Go Authors.  All rights reserved.
+var documentationTemplate = `// Copyright 2011 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.